var selected;
			
imgArray = new Array();
swapArray = new Array();

imgArray["schedule"] = "images/schedule.gif";
imgArray["questionnaire"] = "images/questionnaire.gif";
imgArray["directions"] = "images/directions.gif";
imgArray["hints"] = "images/hints.gif";
imgArray["alumni"] = "images/alumni.gif";
imgArray["staff"] = "images/staff.gif";
imgArray["rsvp"] = "images/rsvp.gif";

swapArray["schedule"] = "images/schedule_light.gif";
swapArray["questionnaire"] = "images/questionnaire_light.gif";
swapArray["directions"] = "images/directions_light.gif";
swapArray["hints"] = "images/hints_light.gif";
swapArray["alumni"] = "images/alumni_light.gif";
swapArray["staff"] = "images/staff_light.gif";
swapArray["rsvp"] = "images/rsvp_light.gif";

(new Image()).src = "images/schedule_light.gif";
(new Image()).src = "images/questionnaire_light.gif";
(new Image()).src = "images/directions_light.gif";
(new Image()).src = "images/hints_light.gif";
(new Image()).src = "images/alumni_light.gif";
(new Image()).src = "images/staff_light.gif";
(new Image()).src = "images/rsvp_light.gif";

function swapImage() {
	var i;
	var theObj;
	var j=0;
	var swapArray=new Array;
	var oldArray=document.swapImageData;
	var currSel = swapImage.arguments[0];
	for (i=0; i < (swapImage.arguments.length-2); i+=3) {
	  theObj = eval("document."+swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1])
	  if (theObj != null) {
	    swapArray[j++] = theObj;
	    swapArray[j++] = (oldArray==null || oldArray[j-1]!=theObj)?theObj.src:oldArray[j];
	    if (currSel != selected) theObj.src = swapImage.arguments[i+2];
	  }
    }
	document.swapImageData = swapArray;
}
			
function openWin(url) {
	ferretWin = window.open(url, "ferret", "width=400,height=350");
	ferretWin.focus();
}